Bishop Harold Ivory Williams Bishop Harold I. Williams Sr. D.D., was the senior prelate of the to Mt. Calvary Holy Church of America Inc. from 1972 - 2009. Under his leadership, the organization grew to include churches in over fifteen states and many foreign countries throughout Europe, Africa, Asia, and the Caribbean. Just weeks before his death, Bishop Johnson appointed Bishop Harold Ivory Williams to serve as his successor in 1972. He is married to gospel icon Pastor Shirley Caesar Williams and the father of jazz musician Harold Ivory Williams and Gospel Aerobics creator Hope Mason.